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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_SAD_TAB_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_SAD_TAB_VIEW_H_
#pragma once
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/link_listener.h"
#include "ui/views/view.h"
class TabContents;
namespace gfx {
class Font;
}
namespace views {
class Label;
class TextButton;
}
///////////////////////////////////////////////////////////////////////////////
//
// SadTabView
//
// A views::View subclass used to render the presentation of the crashed
// "sad tab" in the browser window when a renderer is destroyed unnaturally.
//
///////////////////////////////////////////////////////////////////////////////
class SadTabView : public views::View,
public views::LinkListener,
public views::ButtonListener {
public:
// NOTE: Do not remove or reorder the elements in this enum, and only add new
// items at the end. We depend on these specific values in a histogram.
enum Kind {
CRASHED = 0, // Tab crashed. Display the "Aw, Snap!" page.
KILLED // Tab killed. Display the "He's dead, Jim!" tab page.
};
SadTabView(TabContents* tab_contents, Kind kind);
virtual ~SadTabView();
// Overridden from views::View:
virtual void Layout() OVERRIDE;
// Overridden from views::LinkListener:
virtual void LinkClicked(views::Link* source, int event_flags) OVERRIDE;
// Overridden from views::ButtonListener:
virtual void ButtonPressed(views::Button* source,
const views::Event& event) OVERRIDE;
protected:
// Overridden from views::View:
virtual void ViewHierarchyChanged(bool is_add,
views::View* parent,
views::View* child) OVERRIDE;
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
private:
views::Label* CreateLabel(const string16& text);
views::Link* CreateLink(const string16& text);
TabContents* tab_contents_;
Kind kind_;
bool painted_;
const gfx::Font& base_font_;
views::Label* message_;
views::Link* help_link_;
views::Link* feedback_link_;
views::TextButton* reload_button_;
DISALLOW_COPY_AND_ASSIGN(SadTabView);
};
#endif // CHROME_BROWSER_UI_VIEWS_SAD_TAB_VIEW_H__
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